Gaya APA

9282. (4). : Hinkler Books.

Gaya Chicago

9282. Let's Count. : Hinkler Books, 4. 745/MAT/031.

Gaya MLA

9282. Let's Count. : Hinkler Books, 4. 745/MAT/031.

Gaya Turabian

9282. : Hinkler Books, 4. 745/MAT/031.